Add 90/30 and 45/80
1st number: 3 0/30, 2nd number: 45/80
90/30 + 45/80 is 57/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
90/30 = 90 × 8/30 × 8 = 720/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
45/80 = 45 × 3/80 × 3 = 135/240 - Add the two like fractions:
720/240 + 135/240 = 720 + 135/240 = 855/240 - 855/240 simplified gives 57/16
- So, 90/30 + 45/80 = 57/16
In mixed form: 39/16
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